CVE编号
CVE-2021-44142利用情况
暂无补丁情况
官方补丁披露时间
2022-02-07漏洞描述
Samba是用于 Linux 和 Unix 的标准 Windows 互操作性程序套件。Samba 存在安全漏洞，该漏洞源于在将用户提供的数据复制到固定长度的基于堆的缓冲区之前缺乏对长度的正确验证。攻击者可以利用此漏洞在 root 环境中执行代码。
解决建议
目前厂商已发布升级补丁以修复漏洞，补丁获取链接：https://www.samba.org/samba/security/CVE-2021-44142.html
参考链接 |
|
|---|---|
| https://access.redhat.com/security/cve/cve-2021-44142 | |
| https://bugzilla.samba.org/show_bug.cgi?id=14914 | |
| https://kb.cert.org/vuls/id/119678 | |
| https://vigilance.fr/vulnerability/Samba-buffer-overflow-via-VFS-Module-vfs-f... | |
| https://www.samba.org/samba/security/CVE-2021-44142.html | |
| https://www.zerodayinitiative.com/advisories/ZDI-22-246/ | |
| https://www.zerodayinitiative.com/blog/2022/2/1/cve-2021-44142-details-on-a-s... |
受影响软件情况
| # | 类型 | 厂商 | 产品 | 版本 | 影响面 | ||||
| 1 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 运行在以下环境 | |||||||||
| 应用 | redhat | codeready_linux_builder | - | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | redhat | gluster_storage | 3.5 | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | redhat | virtualization_host | 4.0 | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | samba | samba | * |
Up to (excluding) 4.13.17 |
|||||
| 运行在以下环境 | |||||||||
| 应用 | samba | samba | * |
From (including) 4.14.0 |
Up to (excluding) 4.14.12 |
||||
| 运行在以下环境 | |||||||||
| 应用 | samba | samba | * |
From (including) 4.15.0 |
Up to (excluding) 4.15.5 |
||||
| 运行在以下环境 | |||||||||
| 应用 | synology | diskstation_manager | * |
From (including) 6.2 |
Up to (excluding) 6.2.4-25556.4 |
||||
| 运行在以下环境 | |||||||||
| 系统 | alibaba_cloud_linux_2.1903 | samba | * |
Up to (excluding) 4.10.16-18.1.al7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | samba | * |
Up to (excluding) 4.13.17-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | samba | * |
Up to (excluding) 4.14.12-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2 | samba | * |
Up to (excluding) 4.10.16-18.amzn2.0.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_AMI | samba | * |
Up to (excluding) 4.10.16-18.59.amzn1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | centos_7 | samba | * |
Up to (excluding) 4.10.16-18.el7_9 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | centos_8 | samba | * |
Up to (excluding) 4.14.5-9.el8_5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | samba | * |
Up to (excluding) 2:4.9.5+dfsg-5+deb10u3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | samba | * |
Up to (excluding) 2:4.13.13+dfsg-1~deb11u3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | samba | * |
Up to (excluding) 4.13.14+dfsg-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | samba | * |
Up to (excluding) 4.5.16+dfsg-1+deb9u2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | samba | * |
Up to (excluding) 4.13.14+dfsg-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34 | samba | * |
Up to (excluding) 4.14.12-0.fc34 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_35 | samba | * |
Up to (excluding) 4.15.5-0.fc35 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | samba | * |
Up to (excluding) 2.13.6-150300.3.11.2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.4 | samba | * |
Up to (excluding) 4.11.14 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | samba | * |
Up to (excluding) 4.10.16-18.el7_9 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | samba | * |
Up to (excluding) 4.14.5-9.el8_5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_8 | samba | * |
Up to (excluding) 4.14.5-9.el8_5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | samba | * |
Up to (excluding) 4.15.4 |
|||||
- 攻击路径 远程
- 攻击复杂度 复杂
- 权限要求 无需权限
- 影响范围 有限影响
- EXP成熟度 未验证
- 补丁情况 官方补丁
- 数据保密性 数据泄露
- 数据完整性 无影响
- 服务器危害 无影响
- 全网数量 N/A
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